1.Short Rod Active Roof Antenna,

  2.Frequency: AM/FM

  3.Gain: AM:-3~2dB,  FM:3~6dB

  4.Noise Figure: 5dB Max.

  5.Rod  Rotable: 0~60 degree

  6.Work Voltage:9-16V

  7.Mounte Dimension:15*15mm